The Seraphim Army

When the Demon Lords had thrown the heavenly creatures into chaos and the Sorcerers of Darkness had learned to use the blood of innocents to unlock the gates of hell, the demon spawn poured out over the worlds in their hordes.
In battles lasting eons, the Gods were steadily driven back and the Heart of Ancaria was in danger of falling into the hands of the Demon Lord. Behold, Sophja the Goddess of War arose and sacrificed herself by confronting and falling at the hand of Worganar, the highest of the Demons. However, when Worganar rejoiced, believing the heart of the world to be within his grasp, from the blood of Sophja rose new warriors: the Seraphim. The Seraphim used their heavenly powers to destroy Worganar and his followers and drove the Demons back to the hell from whence they came.
Then, as peace finally appeared to be at hand, the Seraphim were charged with the protection of the Golden Heart. They broke it into five pieces and hid the pieces in the furthest corners of the Kingdom.
However, blessed with heavenly power and with their superiority in battle, the Seraphim became arrogant and conceited. In their aloofness and high spirits, they neglected to protect the five elements, and so they were discovered and stolen by a darker breed of power-hungry Elves, the Dark Elves...